Ultrasounds and dating pregnancy is keira knightley dating
When I went in for an almost 20 week ultrasound, I measured 2 weeks behind.According to my most recent due date, that would mean I conceived 10 or 11 days after intercourse.She has a master's degree in bioengineering from the University of Washington and a graduate certificate in science writing from the University of California Santa Cruz. I went in for a follow-up today and they are saying my due date is now June 24. We were not trying to get pregnant and had unprotected sex only once that month, and I know within a day or two when that happened.
Guessing game, waiting game Though most women are given an official due date, it is often just a rough estimate.
But there haven't been reliable methods to tell a woman exactly when her baby is coming.
Cervical checks, in which a doctor manually feels the length and softness of the cervix with his or her fingers, are typically not very reliable, Berghella said.
[Blossoming Body: 8 Odd Changes That Happen During Pregnancy] The method is safe, and women already get frequent ultrasound scans during pregnancy, said study co-author Dr.
Vincenzo Berghella, director of maternal fetal medicine at Thomas Jefferson University Hospital in Philadelphia.